baber/WOPTO huggingface dataset:
Patent KR-20020050819-A (KR)
Title: Electrode Structure in Plasma Display Panel
Inventor: KIM JAE SEONG
IPC: H01J11/24
Filed: 2000-12-22
Abstract: PURPOSE: An electrode structure of a plasma display panel is provided to improve discharge efficiency and luminescence. CONSTITUTION: An electrode structure of a plasma display panel comprises a first and a second trigger electrodes(54Y,54Z) at center of a discharge cell on an upper plate, a first and a second sustain electrodes(52Y,52Z) at boundary of the discharge cell on the upper plate, and an address electrode(62X) orthogonal to the trigger electrodes(54Y,54Z) and the sustain electrodes(52Y,52Z) on a lower plate. The address electrode(62X) is formed at bottom of a barrier rib(66) on the lower plate to minimize effect on the address electrode(62X) during sustain discharge. A wing part(70) is extended from the address electrode(62X) in parallel to the trigger electrodes(54Y,54Z) and the sustain electrodes(52Y,52Z). A data pulse applied to the address electrode(62X) is supplied to the wing part(70) to generate address discharge between the wing part(70) and the first trigger electrode(54Y). A sustain pulse is alternatively applied to the first sustain electrode(52Y), the first trigger electrode(54Y), the second sustain electrode(52Z) and the second trigger electrode(54Z) to generate sustain discharge at selected cells.
Patent KR-20020046879-A (KR)
Title: Automobile Front Glass Ice Sacred
Inventor: MIN KYOUNG MOK
IPC: B60J11/00
Filed: 2000-12-11
Abstract: PURPOSE: A protection die for preventing windshield frost of a vehicle is provided to remove the frost by using a sponge of a low heat conductivity and be semi-permanently used without the power supply, thereby reducing the maintenance cost. CONSTITUTION: A protection die for preventing windshield frost of a vehicle includes a protection surface(a) formed of a waterproof fabric such as a sponge and directly contacting a surface of a windshield, fixing bands(b) formed of elastic material and vacuum rubber plates(c) in the shape of circle for attaching the protection surface to the windshield by the vacuum principle.
Patent KR-20020055992-A (KR)
Title: Method Of Driving Liquid Crystal Display
Inventor: YEO JU CHEON
IPC: G02F1/133
Filed: 2000-12-29
Abstract: PURPOSE: A method for driving an LCD device is provided to improve uniformity by using a multiplex method. CONSTITUTION: Data are provided to the first liquid crystal cell of red color liquid crystal cells adjacent to the first line. The data are provided to the second liquid crystal cell of the red color liquid crystal cells adjacent to the first line. The data are provided to the fourth liquid crystal cell of green color liquid crystal cells. The data are provided to the third liquid crystal cell of the green color liquid crystal cells. The data are provided to the fifth liquid crystal cell of blue color liquid crystal cells. The data are provided to the sixth liquid crystal cell of the blue color liquid crystal cells. In the second line, the data are provided sequentially to the second liquid crystal cell and the first liquid crystal cell. Next, the data are provided sequentially to the third liquid crystal cell and the fourth liquid crystal cell. Finally, the data are provided sequentially to the sixth liquid crystal cell and the fifth liquid crystal cell.
Patent KR-20010062843-A (KR)
Inventor: PASTOR RICKEY G
IPC: H01L27/04
Filed: 2000-12-29
Abstract: PURPOSE: A variable voltage capacitor with improved C-V linearity is provided to form a semiconductive layer on a semiconductor substrate by forming a doped layer on the surface of the substrate. CONSTITUTION: The variable voltage capacitor includes a support board(41) having a doped layer(42), which has a insulating layer(45) on it, first, second and third capacitors(47, 49, and 51) which is defined by first, second, and third conductor segments(46, 48, 50) is paralell with the doped layer and across form it by the insulating layer. The first, the second, and the third segments work as external contacts, a terminal opposite to the first, second, and third capacitor is respectively connected via the doped layer. A suitable example is one where the board is a semiconductor wafer, doped layer is grown, epitaxially, the insulating material is of high permittivity such as zirconium titanate or similar to it, and the segment is gold.
Patent KR-20020056980-A (KR)
Title: method for routing in the switching system
Inventor: KIM JAE WON
IPC: H04L12/50
Filed: 2000-12-30
Abstract: PURPOSE: A routing method for a switching system is provided to transmit call signals between PNNI and BISUP switching systems by routing BISUP type call signal with attaching DTL information by using a set-up message function. CONSTITUTION: A control board is in an initial state(S1). The control board searches the contents of a routing table of a currently input call signal(S2). It is determined whether an external destination number is set in the call signal of the searched routing table(S3). The control board transmits a message to the next node by DTL(Designated Transit List) information within a set-up message(S4). The current call signal is converted into a set-up message of a BISUP method and the set-up message is transmitted to a BISUP exchange(S5).
Patent KR-20010023118-A (KR)
IPC: B23K20/00
Filed: 1998-08-19
Abstract: 본 발명은 탄화수소 등의 탄소를 포함하는 유체를 작업대상으로 한 가열로관에서 생기는 문제점을 해소하는 것이 가능한 가열로관 및 가열로관의 사용방법과 가열로관의 제조방법을 제공하는 것을 목적으로 하고 있다. 
     그래서 본 발명에 관한 가열로관은 Cr을 17∼26중량%, Al을 2∼6중량% 함유하는 희토류 산화물 입자분산형 철합금으로 되어 있다. 
     또 본 발명에 관한 가열로관은 Cr을 17∼26중량%, Al을 2∼6중량% 함유하는 희토류 산화물 입자분산형 철합금으로 된 한 쪽의 가열로관 요소와 희토류 산화물 입자분산형 철합금 또는 내열금속으로 된 다른 쪽의 가열로관 요소를 인서트 금속을 거친 확산접합에 의해 서로 결합하여 되어 있다. 
     또 본 발명에 관한 가열로관의 사용방법은 Cr을 17∼26중량%, Al을 2∼6중량% 함유하는 희토류 산화물 입자분산형 철합금으로 된 가열로관에 탄화수소 또는 일산화탄소를 포함하는 유체를 유통시키고 있다. 
     또한 본 발명에 관한 가열로관의 제조방법은 한 쪽의 가열로관 요소에서의 접합측단부와 다른 쪽의 가열로관에서의 접합측단부 중 적어도 한 쪽에 인서트 금속의 피막을 형성하는 공정과, 한 쪽의 가열로관 요소에서의 접합측단부와 다른 쪽의 가열로관 요소에서의 접합측단부를 직접 또는 중간부재를 거쳐 서로 압접하는 공정과, 인서트 금속을 가열하므로써 한 쪽의 가열로관 요소와 다른 쪽의 가열로관 요소를 서로 확산접합하는 공정을 포함하고 있다.
Patent KR-20010024501-A (KR)
Title: Compatibilized blends of a thermoplastic elastomer and a polyolefin
IPC: C08G18/42
Filed: 1998-06-03
Abstract: A compatibilized blend of a thermoplastic elastomer and a polyolefin. The compatibilizer is a thermoplastic polyurethane formed by the reaction of a substantially hydrocarbon intermediate such as a polybutadiene polyol, a diisocyanate such as MDI, and an amine or diol chain extender such as neopentyl glycol. The compatibilizer has high amounts of soft segments therein and imparts improved properties to blends of a thermoplastic elastomer and polyolefin such as good impact resistance, good tensile strength, good tear resistance, and good delamination resistance.
Patent KR-20010032448-A (KR)
Title: 전계 효과 트랜지스터를 갖는 반도체 장치 제조 방법
IPC: H01L29/43
Filed: 1999-09-09
Abstract: 공지된 대체 게이트 프로세스에서, 상대적으로 높은 오옴의 폴리 게이트는 두꺼운 산화물 층을 증착한 후에 게이트에 도달할 때까지 CMP에 의해 이 층을 평면화함으로써 낮은 오옴의 금속 게이트로 대체되며, 이 게이트는 선택적으로 제거되거나 또는 금속 게이트에 의해 대체될 수 있다. 이 프로세스는 게이트 구조를 다량의 더미 폴리 게이트(4) 및 폴리 게이트 상부 상의 질화물 층(5)으로 제공함으로써 상당히 간략화된다. CMP 동안 질화물 층에 도달할 시, CMP는 정지하므로, 폴리 상의 공격을 배제한다. 질화물 및 폴리는 산화물 층(10)에 관해 선택적으로 제거된다.
Patent KR-20010024915-A (KR)
Title: 착탈가능한 집진기를 갖는 진공 청소기
IPC: A47L9/32
Filed: 1999-12-01
Abstract: 본 발명은 흡입 장치(7)를 수용하는 하우징(1)을 포함한 진공 청소기에 관한 것이다.  이 진공 청소기는 먼지 필터(21)가 놓여질 수 있는 집진기(11)를 부가로 포함한다.  이 집진기는 하우징에 착탈가능하게 결합되고 핸들(33)과 개방부(31)를 포함하며, 이 개방부(31)를 통해서 먼지 필터가 배치될 수 있다.  본 발명에 따른 핸들은 집진기의 측벽(39)에 제공되며, 상기 개방부는 집진기의 상부 측부(35)에 제공되고, 이 집진기의 상부 측부는 진공 청소기의 작동 위치에서 하우징의 상부 측부(37)를 향해 지향된다.  이 방식에서, 먼지 필터가 집진기에서 떨어지거나 또는 집진기를 하우징으로부터 분리할 때, 먼지가 먼지 필터에서 떨어지는 것이 예방된다.  양호한 실시예에서, 집진기의 핸들은 하우징에 대해서 유일한 핸들이므로, 하우징의 구성은 단순해진다.  다른 실시예에서, 집진기는 핸들의 하부 측부(67) 부근에 제공된 제 1 커플링 장치(65)와, 핸들의 상부 측부(71) 부근에 제공된 제 2 커플링 장치(69)에 의해서 하우징에 결합된다.  이 방식에서, 집진기는 하우징에 견고하게 연결된다.
Patent KR-20010106099-A (KR)
Title: 엘리베이터의 브레이크 제어장치
IPC: B66B1/32
Filed: 1999-01-25
Abstract: 전자 브레이크의 브레이크 코일을 브레이크 차륜의 해방시에 구동시키기 위해 요하는 에너지 또는 그 에너지의 일부를 축적하고 축적된 에너지를 브레이크 차륜의 해방시에 이용해서 브레이크 코일을 여자시키는 보조전원수단을 구비하고, 브레이크 흡인시에만 직류전압을 승압하고 흡인후의 브레이크 보존시는 승압기능을 정지시켜 원래의 직류전원의 전압을 제어전원으로 함으로써 전원의 저전압화의 경향에 따라 브레이크 해방시에 필요하고 또 충분한 고전압의 전원을 구비하지 않고 또 직류전원 한계통밖에 없는 경우에도 브레이크 해방시에는 전원전압에 의하지 않고 순시에 필요로 하는 에너지를 브레이크 코일에 공급해서 브레이크 해방동작을 하는 엘리베이터의 브레이크 제어장치를 제공한다.
Patent KR-20010052235-A (KR)
Title: 인돌 유도체
IPC: C07D409/12
Filed: 1999-04-05
Abstract: 본 발명은 하기 화학식 Ⅰ로 표시되는 신규한 인돌 유도체 또는 그의 염을 제공하는 것이다.  본 발명의 화합물은 혈당 강하 활성 및 PDE5 저해 작용을 가져 의약으로서 유용하다. 
     〈화학식 Ⅰ〉 
     
       
     
     식 중, 
     R 1 은 아릴 저급 알킬기이며, 상기 아릴기는 적어도 1종의 할로겐 원자, 아릴기, 복소환기, 아릴 저급 알킬기, 아릴 저급 알케닐기, 할로 저급 알킬기, 저급 시클로알킬 저급 알킬옥시기, 저급 시클로알킬옥시 저급 알킬기, 아릴 저급 알키닐기, 아릴옥시 저급 알킬기, 아릴 저급 알킬옥시기, 저급 알킬티오기, 저급 알킬옥시기 또는 알케닐기로 치환될 수 있고, 
     R 2 는 할로겐 원자, 저급 알킬기, 저급 알케닐기 또는 아릴기로 치환될 수 있는 저급 알킬기, 저급 알케닐기, 아릴기 또는 복소환기를 의미한다.
Patent KR-20010071606-A (KR)
Title: 요추 지지대용 케이블 고정구
Filed: 1999-06-28
Abstract: 본 발명은 가요성 지지부재(212), 스프링(216), 및 케이블 조립체(214)를 갖는 요추지지대 메카니즘(210)을 제공한다. 상기 가요성 지지부재는 대향으로 배치된 제 1(222) 및 제 2단부(220)들을 갖는다. 스프링은 제 1단부(228)와 제 2단부(230)를 갖는다. 상기 스프링의 제 1단부는 가요성 지지부재의 제 1단부 및 제 2단부들 중의 어느 하나에 연결된다. 케이블 조립체는 슬리브(234)와 그 내부에 활주가능하도록 배치된 케이블(232)을 갖는다. 상기 슬리브는 스프링의 제 2단부에 연결된 제 1단부를 갖는다. 상기 케이블은 가요성 지지부재의 제 1 및 제 2단부들 중의 나머지 것에 연결되는 제 1단부를 갖는다.
Patent KR-20010035297-A (KR)
Title: Multi-function touch terminal for teaching using network, and control method therefor
Inventor: LEE CHA YONG
Filed: 2001-02-01
Abstract: PURPOSE: The touch terminal with multiple functions for education via a network and the method for controlling the terminal, are provided to enable a user to obtain the new educational information, supplied from a web site, at a low cost without need for buying an expensive pack, by allowing the user to access a web server for supplying the educational information via the internet. CONSTITUTION: A memory part(23) stores an application program and the educational information. A main controller(22) controls the displays on an operation screen area and an educational information screen area, and an access to a web server. A touch screen controller(25) controls the display operation of a touch screen(24). A connection part(28) enables an access to a network adaptor card. A network adaptor card(30), connected to a network adaptor card connection part(28), access a web site via the internet under the control of the main controller(22).
Patent KR-20020065154-A (KR)
Title: Optical pickup using astigmatic method
Inventor: LEE MAN HYEONG
IPC: G11B7/1353
Filed: 2001-02-06
Abstract: PURPOSE: An optical pick-up device using astigmatism is provided to perform error detection using astigmatism, to prevent occurrence of track cross noise, and to obtain higher sensitivity. CONSTITUTION: An optical pick-up device using astigmatism includes a beam collecting part, an optical system, and a grating mask(5). The beam collecting part collects beam reflected from a disk. The optical system is located on a front surface of the beam collecting part, receives the beam reflected from the disk, has a cylindrical lens(7) for transmitting the received beam to the beam collecting part, and generates astigmatism. The grating mask is located on a front surface of the optical system, receives the beam reflected from the disk, transmits the receives beam to the optical system, and has a grating of different pitches.
Patent KR-20020065670-A (KR)
Inventor: BAE DO IN
IPC: H01L21/00
Filed: 2001-02-07
Abstract: PURPOSE: An electrostatic chuck is provided to increase a flow rate of cooling gas at the edge of a dielectric layer, by forming a deeper cooling gas path for cooling a wafer at the edge of the dielectric layer than in the center of the dielectric layer. CONSTITUTION: The electrostatic chuck is composed of a metal base(10), an insulation layer(20), an electrode layer(30) and the dielectric layer(40). The cooling gas path(50) is formed on the dielectric layer. The cooling gas path becomes deeper as it goes from the center of the dielectric layer to the edge.
Patent KR-20010082664-A (KR)
Inventor: MISE NOBUYUKI
IPC: H01L23/544
Filed: 2001-02-15
Abstract: PURPOSE: An apparatus for monitoring processes is provided to measure potential difference or plasma current. CONSTITUTION: The intensity of the light emitted from the light-emitting diode on wafer(105) is measured and then the potential difference between the terminals of the light-emitting element, and the plasma current flowing thereinto are derived from measured light intensity. Since the use of a camera enables non-contact measurement of emitted light intensity, the lead-in terminals for lead wires that are always required in conventional probing methods become unnecessary. In addition, since the target wafer does not require lead wire connection, wafers can be changed in the same way as performed for etching.
Patent KR-20020068116-A (KR)
Title: Method for displaying time according to area of mobile station
Inventor: YOO CHEOL GYUN
IPC: H04B1/38
Filed: 2001-02-20
Abstract: PURPOSE: A method for displaying time information by regions in a wireless terminal is provided to display the time information of different regions, selected by a user, at the same time. CONSTITUTION: A wireless terminal stores a plurality of region information, especially place names, pre-appointed to display a plurality of time information(S10). If the user of the wireless terminal selects the first region information and the second region information among the region information stored in the wireless terminal(S20), the wireless terminal displays the first time information and the second time information together with the first region information and the second region information at the same time(S30).
Patent KR-20010083194-A (KR)
Title: URL Notification Device for Portable Telephone
Inventor: HIRATSUKA MOTOAKI
IPC: H04W4/12
Filed: 2001-02-20
Abstract: PURPOSE: To provide a unit that informs mobile phones about a URL in order to simplify access from the mobile phones to desired home pages. CONSTITUTION: The URL report unit for mobile phone is provided with a telephone network control means that replies a call incoming to a telephone number acting as a reception window, an electronic mail network connection means for transmitting an optional electronic mail to an optional mail address, a URL recording section that stores URLs, a telephone number/mail address conversion means that acquires a telephone number B of a caller at the arrival of the incoming call and converts the telephone number B into a mail address D assigned to the mobile phone of the telephone number B, and an electronic mail transmission means that reads one or more URL from the URL recording section in response to the incoming call from the caller telephone number B, generates an electronic mail in which the URL described in the hyper text form is included and transmits the electronics mail to the mail address D with an electronic mail network connection means.
Patent KR-20020071391-A (KR)
Title: A tray vibration preventing structure for disk drive
Inventor: OH TAEK SEUNG
IPC: G11B17/02
Filed: 2001-03-06
Abstract: PURPOSE: A structure for preventing vibration of a tray of a disc drive is provided to prevent the tray of the disc drive from being moved when the tray is operated and to improve operation reliability of the disc drive. CONSTITUTION: A guide roller(50) is set at a wing(48) protruded from one side of a tray(40), and a guide protrusion(38) is formed at one side of a lower chassis(30), corresponding to the guide roller. A contact guide having a predetermined width is formed at the center of the guide roller in order to guide the guide protrusion. A slope face is formed at both sides of the contact guide to guide the guide protrusion to the contact guide. The guide roller is formed of an elastic material. With this structure, when the tray is operated while being inserted into the disc drive, the tray is not moved horizontally and the position of a front plate(49) of the tray is correctly set.
Patent KR-20020071419-A (KR)
Inventor: KWAG YANG JIN
IPC: A01K61/00
Filed: 2001-03-02
Abstract: PURPOSE: An agent containing a single component to absorb phosphorous, heavy metals or the like on the beach, inhibit generation of gas, prevent eutrophication and induce no secondary pollution is provided. Therefore, the agent promotes reproduction of an ecosystem of the beach and the growth of a fish or a shellfish. CONSTITUTION: A soil component such as loess, clay or the like is mixed with protein, quicklime, seaweeds, mineral, medicaments or the like, kneaded and extruded under pressure, followed by sintering and drying. Thus the obtained agent having a specified shape is introduced into seawater near the beach to permeate into soil through the beach.
Patent KR-20010100824-A (KR)
Title: 감열기록재료
IPC: B41M5/44
Filed: 2001-03-20
Abstract: 베이스 시트와, 이 베이스 시트의 한쪽 면에 형성한 감열기록층 및 다른 면에 형성한 배면층으로 이루어지는 감열기록재료에 있어서, 해당 배면층이 하기 일반식 (I)로 표시되는 불소함유디올로부터 유도된 측쇄를 가진 폴리우레탄으로 이루어지는 것을 특징으로 하는 감열기록재료가 제공된다. 
     
       
     
     [단, 식중의 R f 는 탄소수가 1∼20의 퍼플루오로알킬기 또는 퍼플루오로알케닐기이며, X는 치환기를 가져도 좋은 탄소수가 1∼10의 알킬렌기, 치환기를 가져도 좋은 알케닐렌기(-CH=CH-(CH 2 ) n -(n=1∼10)) 또는 
     
       
     
     Y는 직접결합, -O-, -NH-, 또는 -R 0 -NH-(R 0 는 탄소수가 1∼6의 알킬렌기)이며, Z는 직접결합, 또는 -N(R')R-(R은 탄소수가 1∼20의 알킬렌기, R'는 수소원자, 또는, 탄소수가 1∼6의 알킬기)이며, R 1 및 R 2 는 2가의 유기기이며, R 3 는 지방족, 지환식 또는 방향족 디이소시아네이트의 잔기이다]
Patent KR-20020074597-A (KR)
Inventor: KO GWON TAE
Filed: 2001-03-20
Abstract: PURPOSE: A system for servicing an intermediation of a chartered vehicle is provided to supply a proper vehicle capable of satisfying a time and a cost based on the Internet. CONSTITUTION: A user connects to a chartered vehicle intermediating service system through the Internet and selects a user supporting system(S20). Various scaled maps extracted from a local information DB(S281) are displayed on a homepage screen, and the user selects a starting point and a destination of a vehicle in the maps(S21). The starting point and the destination are transmitted to an intermediating service information DB(S282), and a cost thereof is displayed on a screen. The user memorizes the corresponding cost and suggests a wanted cost when an estimate is requested(S22). The intermediating service information DB(S282) prepares an estimate written request based on the cost(S23). If the prepared estimate is requested(S24), the estimate is transmitted to a car owner through a character message on a car owner supporting system(S25).
Patent KR-20020074650-A (KR)
Title: Brake disc for vehicle
Inventor: KIM BYEONG JIN
IPC: F16D65/12
Filed: 2001-03-21
Abstract: PURPOSE: A brake disk for a vehicle is provided to improve cooling performance by forming plural protrusions inducing airflow to air holes and to improve durability and damping force. CONSTITUTION: A brake disk(30) for a vehicle forms plural air induction protrusions(38) inclined in the rotation direction at air induction holes, to induce airflow to cooling holes(34) formed on the outer peripheral surface of the brake disk between long ribs(40) and short ribs(41). The air induction protrusions are formed on the outer peripheral surface of a coupling plate(32) between the long ribs, with inclined. If the brake disk rotates in the rotation direction, some of air flowing along the air induction grooves, flows into the cooling holes and some of the air induces airflow toward the cooling holes while colliding with the air induction protrusions. Therefore, sufficient supply of air into the cooling holes is performed and the disk brake heated by frequent braking is quickly cooled.
Patent KR-20010095332-A (KR)
Title: Semiconductor integrated circuit device and fabrication method for semiconductor integrated circuit device
Inventor: NOGUCHI JUNJI
IPC: C09K3/14
Filed: 2001-04-04
Abstract: PURPOSE: To enhance a copper wiring formed through a damascene method in dielectric breakdown strength (reliability). CONSTITUTION: Cu wirings 46a to 46e filling wiring grooves 40 cut in a silicon oxide film 39 are formed by chemical and mechanical polishing and then subjected to a cleaning process, and the surfaces of the silicon oxide film 39 and the Cu wirings 46a to 46e are processed with reducing plasma (ammonia plasma). Thereafter, without breaking a vacuum, a cap film (silicon nitride film) is continuously formed.
Patent KR-20020078730-A (KR)
Title: A Tire Belt consists of Two Angle
Inventor: KIM SU SANG
IPC: B60C9/18
Filed: 2001-04-10
Abstract: PURPOSE: A tire belt with two angles is provided to improve endurance while keeping stiffness of a tire by making the angle of a belt double and to reduce the weight of the tire. CONSTITUTION: In a tire belt with two angles, the belt angle(B) of the center of a belt is different from the belt angle(A) of the width(W1) of both ends. The whole width(W) of the belt to the width of the ends is 0.1*W ltoreq W1 ltoreq 0.25*W. The belt angle of the center of the belt to the belt angle of the width of the ends is A = B + alpha(A, B, alpha: degree), and the alpha has a range of two ltoreq alpha ltoreq 7. Therefore, the endurance is improved while keeping the stiffness of the tire, and the weight is reduced.
Patent KR-20020080686-A (KR)
Title: Ferulic Acid Dimers and their pharmaceutically acceptable salts, their preparation and the use thereof for treating anti-dementia
Inventor: KIM DONG JIN
IPC: C07C59/68
Filed: 2001-04-17
Abstract: PURPOSE: Provided are a ferulic acid dimer, a pharmaceutically acceptable salt thereof, a method for preparing the same, its use in treating dementia, and an intermediate of the ferulic acid dimer. CONSTITUTION: The ferulic acid dimer is represented by formula 1. In the formula 1, X is carbon, oxygen or nitrogen, and n is 0-3. The salt of the ferulic acid dimer is an inorganic salt including sodium salt, potassium salt, magnesium salt, and calcium salt, or an organic salt including angelic acid, ricin, ethanolamine, N,N'-dibenzylethylene diamine, and alpha-tocopherol. The method comprises reacting a hydroxybenzaldehyde compound of formula 2(wherein X is carbon, oxygen or nitrogen, and n is 0-3) with malonic acid to form the ferulic acid dimer of formula 1.
Patent KR-20020082651-A (KR)
Title: Test and calibration bench system
Inventor: LEE JANG U
IPC: G01R1/02
Filed: 2001-04-25
Abstract: PURPOSE: A test apparatus for aligning a measuring instrument is provided to improve a correction accuracy by arraying a plurality of measuring devices into a reception portion. CONSTITUTION: A support member(16) is installed at both sides of a test apparatus(10). A working plate(18) for controlling height is installed at the inside of a test plate balance control device(28) and the support member(16). A reception plate(12) including a plurality of reception portions(14) are formed on an upper portion of the test apparatus(10). A guide rail(20) is combined with both sides of each reception portions(14) of the reception plate(12) by using a bolt(26). A measuring portion is installed on the guide rail(20) within the reception portion(14). The measuring portion is fixed to the reception plate(12) by using a bolt. A plurality of fluorescent lamps(24) are installed in the inside of the reception plate(12).
Patent KR-20010069701-A (KR)
Title: levy system of deferred payment for communication using card of communication for prepayment
Inventor: IN SOO HWAN
IPC: H04M15/00
Filed: 2001-04-28
Abstract: PURPOSE: A postpaid call billing system sharing prepaid card information is provided to reduce a work load of a manager and to fill up a prepaid card timely by seizing the balance of the prepaid card according to stored call details and informing the manager when the balance is below a predetermined amount of money. CONSTITUTION: A call details storing part(101) is installed in an auto call routing(ACR) terminal(100) and stores call details used by a subscriber. A transfer module is installed in the ACR terminal and transfers the stored call details to a computer of a privileged communication company. A charge calculating module(103) calculates a call charge of the subscriber according to the transferred call details. A billing database(202) includes subscriber information according to the calculated charge and call charge information. A cost notifying module(201) draws and notifies a bill according to the billing database.